Home / 260,926.67-391,537.62-111,151.32

Finding the Fourth Proportional to 260,926.67, 391,537.62 and 111,151.32

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Solution

The fourth proportional to 260,926.67, 391,537.62 and 111,151.32 is: 166,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,926.67 : 391,537.62 = 111,151.32 : x
  2. Step 2: Convert to fraction form
    260,926.67/391,537.62 = 111,151.32/x
  3. Step 3: Cross multiply
    260,926.67x = 391,537.62 × 111,151.32
  4. Step 4: Simplify right side
    260,926.67x = 43,519,923,292.66
  5. Step 5: Solve for x
    x = 43,519,923,292.66/260,926.67
  6. Step 6: Final answer
    x = 166,789.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.